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Mercedes GLC vs Audi Q8 comparison

Compare performance (680 HP vs 640 HP), boot space and price (50,300 £ vs 77,300 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLC or Audi Q8?

Mercedes GLC vs Audi Q8: Key differences

Mercedes GLC

4.4 (11 Reviews)
rate
  • substantially cheaper
  • barely more power
  • clearly more efficient
  • clearly more electric range
  • marginally quicker 0–100 km/h
  • somewhat lighter
  • very slightly more trunk space

Audi Q8

All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

Here’s where it gets real: The technical differences in detail

GLC

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Mercedes GLC is substantially cheaper – starting at 50,300 £ , while the Audi Q8 costs 77,300 £ . That’s a price difference of around 26,987 £.

Fuel consumption also shows a difference: the Mercedes GLC uses 1.6 L/100km and is clearly more efficient than the Audi Q8 with 3.9 L/100km. The difference is about 2.3 L/100km.

As for electric range, the Mercedes GLC offers clearly more range – reaching up to 714 km, about 634 km more than the Audi Q8.

Q8

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the Mercedes GLC offers barely more power – delivering 680 HP compared to 640 HP. That’s roughly 40 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLC is marginally quicker – completing the sprint in 3.5 s, while the Audi Q8 takes 3.6 s. That’s about 0.1 s quicker.

There’s also a difference in torque: the Mercedes GLC delivers slightly more torque with 1,020 Nm compared to 850 Nm. That’s about 170 Nm more.

GLC

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes GLC is somewhat lighter – 1,910 kg compared to 2,175 kg. The difference is around 265 kg.

Looking at boot space, the Mercedes GLC offers very slightly more boot space – 620 L compared to 605 L. That’s a difference of about 15 L.

When it comes to payload, the Audi Q8 carries barely more – 665 kg compared to 600 kg. That’s a difference of about 65 kg.

Who wins the race in the data check?

The Mercedes GLC is decisively ahead in the objective data comparison.
This result only shows which model scores more points on paper – not which of the two cars feels right for you.

from £50,300
GLC

Mercedes GLC

  • Engine Type : Petrol MHEV, Plugin Hybrid, Diesel MHEV, Electric
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 186 - 680 HP
  • Consumption L/100km : 1.6 - 9.7 L/100km
  • Consumption kWh/100km : 14.9 - 16.6 kWh/100km
  • Electric Range : 12 - 714 km
details

Frequently compared as well

Mercedes GLC
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In the world of luxury vehicles, the Mercedes GLC and the Mercedes E-Klasse both offer a blend of elegance and performance, yet cater to different driving experiences. The GLC, a compact luxury SUV, delivers versatility and a commanding road presence with its higher stance, making it ideal for …
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Audi Q8

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes GLC

The Mercedes GLC blends plush cabin comfort and composed road manners into an SUV that feels more grown-up than it looks. It won’t shout for attention, but will quietly please buyers who want refinement, usable space and a touch of luxury without the drama.

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Reviews Mercedes GLC

4.4 (11 Reviews)
rate
Marek
2 Jan 2026, 18:32:30

There’s something about a Mercedes — you have to take it for a spin to feel it and understand why it’s special.

How do you mainly use this car? (optional): Commuter (short/medium distance)
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

Audi Q8

The Audi Q8 wraps coupe-like flair around a burly SUV stance, serving up a cabin dressed in premium materials and smart tech that puts comfort and swagger front and center. It’s composed and comfortable on long runs yet happy to play when asked, making it a tempting choice for buyers who want head-turning looks without surrendering everyday practicality.

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Reviews Audi Q8

No reviews yet. Share your experience and help others decide.

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In a head-to-head comparison between the Mercedes GLC and the Toyota RAV4, the luxurious GLC excels in offering a refined driving experience and premium interior materials that define its upscale appeal. Meanwhile, the RAV4 impresses with its practicality, reliability, and advanced safety features, …
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Mercedes GLC
Audi Q8

Costs and Consumption
Price
50,300 - 126,600 £
Price
77,300 - 137,100 £
Consumption L/100km
1.6 - 9.7 L/100km
Consumption L/100km
3.9 - 13.1 L/100km
Consumption kWh/100km
14.9 - 16.6 kWh/100km
Consumption kWh/100km
-
Electric Range
12 - 714 km
Electric Range
80 km
Battery Capacity
94 kWh
Battery Capacity
-
co2
0 - 221 g/km
co2
88 - 297 g/km
Fuel tank capacity
62 - 65 L
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
5
Doors
-
Curb weight
1,910 - 2,535 kg
Curb weight
2,175 - 2,490 kg
Trunk capacity
390 - 620 L
Trunk capacity
439 - 605 L
Length
4,716 - 4,845 mm
Length
-
Width
1,890 - 1,913 mm
Width
1,995 - 2,007 mm
Height
1,603 - 1,644 mm
Height
-
Max trunk capacity
1,490 - 1,740 L
Max trunk capacity
-
Payload
475 - 600 kg
Payload
620 - 665 kg

Engine and Performance
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV, Electric
Engine Type
Petrol MHEV, Diesel MHEV, Petrol, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
186 - 680 HP
Power HP
231 - 640 HP
Acceleration 0-100km/h
3.5 - 9 s
Acceleration 0-100km/h
3.6 - 7.1 s
Max Speed
210 - 275 km/h
Max Speed
-
Torque
320 - 1,020 Nm
Torque
500 - 850 Nm
Number of Cylinders
4 - 6
Number of Cylinders
6 - 8
Power kW
137 - 500 kW
Power kW
170 - 471 kW
Engine capacity
1,991 - 2,989 cm3
Engine capacity
2,967 - 3,996 cm3

General
Model Year
2,025 - 2,026
Model Year
2,025
CO2 Efficiency Class
F, G, D, B, E, A
CO2 Efficiency Class
G, B
Brand
Mercedes-Benz
Brand
Audi
Is the Mercedes GLC offered with different drivetrains?

Available configurations include All-Wheel Drive.

DriveDuel uses data analysis and artificial intelligence to evaluate vehicle data and create content. Content is regularly reviewed and improved. The displayed prices are estimates based on German list prices, adjusted to the respective country’s VAT. Country-specific registration taxes are not included. This information is not legally binding.